MEMS (sensors)

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hts221 SPI driver

Posted on June 05, 2016 at 03:20hi, I'm using the HTS221 humidity and temperature sensor along with the STM32F205. They are connected over the SPI bus but I am unable to get the STM32F205's SPI communications working correctly. Can anyone recommend ...

doug2399 by Associate
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ST Motion Sensor

Posted on June 14, 2016 at 20:48Hello. I am designing a smartwatch prototype and recently purchased the MKI159V1 which has the LSM9DS1. My company is still under construction. I noticed I am having a little trouble finding the link for the software ...

jigle004 by Associate
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VL6180x working environments

Posted on June 13, 2016 at 17:33Can the VL6180x sensor work perfectly fine in both indoor and outdoor environments? Does the amount of light present in the environment affect the operation of the time of flight sensor? 

Proximity output state

Posted on May 26, 2016 at 21:00I would like to use VL6180X more like a conventional proximity sensor where an output pin is active a target is within range, and the output is inactive when the target is outside the specified range. I don't see a way...

LPS22HB Low current and low low noise mode?

Posted on May 20, 2016 at 16:19Hi, I'm alitle confused when reading LPS22HB datasheet. Can anyone tell me what are the differences between low-current and low-noise mode?I know that LPS22HB operates in 3 modes (for collecting data): one-shot mode, c...

le by Associate II
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PCB Design guideline for LSM303DLHC sesnor chip

Posted on May 24, 2016 at 03:18Hi all, I recently designed a new PCB board for the LSM303DLHC Tilt-compensated compass ( please see attachment). I soldered everything onto the board and connected it to the microcontroller to test it, the raw data o...

Problem with changing control registers of hts221

Posted on May 03, 2016 at 18:14Hi, I'm using a stm32f469 disco board and a x-nucleo-iks01a1 extension board and I'm trying to set some of the control bits. I'm able to read all registers over i2c without any problems. But if i try to write any of th...

jh by Associate II
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LIS2DH SPI not Working

Posted on April 02, 2016 at 11:15I am using LIS2DH spi to communicate with nrf51822. I have set CPOL =1(active Low) and CPHA=1(trailing). I am able to see CS , MOSI and CLOCK properly but MISO pin is always high.Below is my code.                    ...